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[Leetcode][JAVA] Reorder List
Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.For exam...
分类:编程语言   时间:2014-10-08 01:02:44    阅读次数:268
读书笔记—敏捷软件开发
OCP:open-closed principle 不可修改 可扩展LSP: liskov substitute principle For a function,a subtype must be able to substitute its base type一个模型,如果孤立地看,并不具有真正...
分类:其他好文   时间:2014-10-07 21:23:44    阅读次数:167
【Leetcode】Reorder List
Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.For exam...
分类:其他好文   时间:2014-10-07 17:53:53    阅读次数:221
Guestinfo.hbm(1)The markup declarations contained or pointed to by the document type declaration must be well-formed
今天启动ssh项目是居然报错了,还提示要联网启动,看了看错误信息发现,肯定是Hibernate映射文件的声明头出错了,仔细一下:hbm.xml中的dtd头直接是连接www.hibernate.org的,而不是sourceforge的,使用过HIbernate的同仁都应该知道,一般你下载Hiberna...
分类:其他好文   时间:2014-10-07 10:18:03    阅读次数:453
SQLAlchemy解决ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory
SQLAlchemy报ProgrammingError:Youmustnotuse8-bitbytestringsunlessyouuseatext_factorythatcaninterpret8-bitbytestrings错误python2.x中最讨厌的就是编码问题了,写下来以备后用。解决方法:1.开头加上:#encoding:utf-82.尝试把字符转化为unicode格式unicode(str_name)这种..
分类:数据库   时间:2014-10-06 15:55:40    阅读次数:898
Search for a Range
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord...
分类:其他好文   时间:2014-10-05 17:36:28    阅读次数:213
CentOS 格式化磁盘
今天在阿里云买了台服务器,挂载硬盘分区的时候mount /dev/xvdb /soft出现这个错误mount: you must specify the filesystem type,查了一下,原来没有进行格式化,执行以下命令就好了mkfs.ext3 /dev/xvdb //表示将xvdb格式.....
分类:其他好文   时间:2014-10-05 02:49:07    阅读次数:809
POJ 2828 线段树单点更新 离线搞
Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Year was approaching, but unluckily the Little ...
分类:其他好文   时间:2014-10-05 01:33:37    阅读次数:349
【Leetcode】Reorder List JAVA
一、题目描述Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.Fo...
分类:编程语言   时间:2014-10-04 17:36:36    阅读次数:207
Subsets
Given a set of distinct integers, S, return all possible subsets. Note: Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets. For example, I...
分类:其他好文   时间:2014-10-03 22:24:55    阅读次数:273
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